Gaya APA

Plummer, Charles C.. (1985). Physical geology / Charles C. Plummer, david McGeary (3rd ed.). : Iowa : W.C. Brown.

Gaya Chicago

Plummer, Charles C.. Physical geology / Charles C. Plummer, david McGeary. 3rd ed. : Iowa : W.C. Brown, 1985. Buku.

Gaya MLA

Plummer, Charles C.. Physical geology / Charles C. Plummer, david McGeary. 3rd ed. : Iowa : W.C. Brown, 1985. Buku.

Gaya Turabian

Plummer, Charles C.. Physical geology / Charles C. Plummer, david McGeary. 3rd ed. : Iowa : W.C. Brown, 1985. Buku.